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Traumatic Brain Injuries have been shown to affect brain volume. A psychologist measures the brain volume of N=8 TBI patients at 2 months and 12 months after their injuries. Evaluate the results of her data using α = .052tail. **Attached Image** a. State the hypotheses b. Show how the t was calculated using the values from the SPSS printout. c. What is Cohen’s d?

Traumatic Brain Injuries have been shown to affect brain volume. A psychologist measures the brain volume of N=8 TBI patients at 2 months and 12 months after their injuries. Evaluate the results of her data using α = .052tail. **Attached Image** a. State the hypotheses b. Show how the t was calculated using the values from the SPSS printout. c. What is Cohen’s d?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
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Traumatic Brain Injuries have been shown to affect brain volume. A psychologist measures the brain volume of N=8 TBI patients at 2 months and 12 months after their injuries. Evaluate the results of her data using α = .052tail.

**Attached Image**

a. State the hypotheses

b. Show how the t was calculated using the values from the SPSS printout.

c. What is Cohen’s d?

Paired Samples Test Paired Differences 95% Confidence Interval of the Difference Std. Error Mean Mean Std. Deviation Lower Upper df Sig. (2-tailed) Pair 1 TBI_2Mo - TBI_1 2Mo 2.30000 1.69706 .60000 .88123 3.71877 3.833 7 .006
Transcribed Image Text:Paired Samples Test Paired Differences 95% Confidence Interval of the Difference Std. Error Mean Mean Std. Deviation Lower Upper df Sig. (2-tailed) Pair 1 TBI_2Mo - TBI_1 2Mo 2.30000 1.69706 .60000 .88123 3.71877 3.833 7 .006
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